Recent reports

01 October 1970
Comments News and comment These are largely unchecked reports, not authenticated records This report summarises the records for September 1970 and, unless otherwise stated, all dates refer to that month. While an anticyclone persisted over the Azores until 17th, a series of depres...
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News and Comment

01 October 1970
Comments News and comment Annual Conference The Annual Conference of the British Trust for Ornithology was held at the Hayes Conference Centre, Swanwick, Derbyshire, from 4th to 6th December 1970, and the wide range of subjects discussed demonstrated the many-sided outlook of the...
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The Sexual Displays of Swallows

01 May 1941
Comments Main paper THE quantitative aspects of the reproduction of the Swallow (Hirundo r. rustica) have been intensively studied in the enquiries of the British Trust for Ornithology (antea, Vol. XXIX, pp. 3-21, Vol. XXX, pp. 98-116) and in many other surveys; but there re...
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Nest-Sanitation

01 May 1941
Comments Main paper Faeces carried; no data for first few days ; at a late stage young defaecate from the opening ; if deposited on " doorstep " they are carried; if they fall clear they are left, even if conspicuous (B.H.R., R.G.A., A.H.M.C). [Voided at entrance of nest and...
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Notes

01 May 1941
Comments Notes WHEN reading Mr. D. Lack's article on the Chaffinch (antea, p. 216), I was particularly interested in the paragraph on " female song." Just over a year ago (early in March, 1940) I heard at Brent Park, Hendon, a bird singing, which I did not recognize at...
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